20423416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196379}}^1$

素因数の和:196398

約数の個数: 16

約数和(自身を含む): 41239800

約数和(自身を除く): 20816384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196379, 392758, 785516, 1571032, 2552927, 5105854, 10211708, 20423416]

約数ペア:

[(1, 20423416), (2, 10211708), (4, 5105854), (8, 2552927), (13, 1571032), (26, 785516), (52, 392758), (104, 196379)]